Series CRS
Bell & Gossett
®
Instruction Manual V1000266
Coalescing Removal Separator
Installation, Operation and Service Instructions
INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.
WARNING: This product may contain chemicals known to the State of California to cause cancer, or birth
defects or other reproductive harm.
SAFETY INSTRUCTION: This safety alert symbol will be used in this manual to draw attention to safety related
instructions. When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED! FAILURE TO FOLLOW THE INSTRUCTIONS MAY RESULT IN A SAFETY HAZARD.
Safety Message Level
DANGER:
WARNING:
CAUTION:
Indication
A hazardous situation, which if not avoided, will result in death or serious injury.
A hazardous situation, which if not avoided, will result in death or serious injury.
A hazardous situation, which if not avoided, will result in major or minor injury.
ELECTRICAL HAZARD:
NOTICE:
The possibility of electrical risks if instructions are not followed in a proper
manor.
• A hazardous situation, which if not avoided, will result in an indescribable
result or state.
• A practice not related to personal injury.
WARNING: Explosion or Rupture Hazard. A relief valve must be installed to prevent pressure in excess of local
code requirement or maximum working pressure designated in the Product Manual, whichever is less. Do not
expose Series CRS Coalescing Removal Separator to freezing temperatures or temperatures in excess of 450°F.
Failure to properly size the Product or follow these instructions may result in excessive strain on the system
and may lead to Product failure, serious or fatal personal injury, leakage, and/or property damage.
WARNING: Read carefully the product installation, operating and maintenance instructions. Failure to follow
the instructions and warnings in the manual may result in serious or fatal injury and/or property damage, and
will void the product warranty. This product must be installed by a qualified professional. Follow all applicable
local and state codes and regulations, in the absence of such codes, follow the current editions of the National
Plumbing Code and National Electric Code, as applicable.
Operational Limits
Separator Temperature Max Working Pressure
CRS
WARNING: : This product, like most products under pressure, may over time corrode, weaken and burst or
explode, causing serious or fatal personal injury, leaking or flooding and/or property damage. To minimize risk,
a licensed professional must install and periodically inspect and service the Product. A drip pan connected to
an adequate drain must be installed if leaking or flooding could cause property damage. Do not locate in an
area where leaking could cause property damage.
Description
Bell & Gossett Series CRS Coalescing Removal Separators are designed to eliminate entrained air and separate debris
associated with start-up and maintenance of any hydronic system. The design incorporates an optional removable end
cover for coalescing medium access, and an optional air vent to automatically release air from the separator.
The design and construction conforms to ASME Section VIII, Div.1. This product is intended for hot and chilled water
systems.
Installation
A. PRE-INSTALLATION
1. Visually inspect Series CRS separator and check
for damage prior to installation.
WARNING: If the separator is damaged,
it must be replaced. Failure to follow this
instruction may result in serious personal
injury or death and property
damage.
-20°F (-29°C) to 450°F (232°C) 125 PSI (862 kPa)
fig. 1
2. In order to protect the Series CRS separator
from shipping damage, some components are
shipped unattached and in a protective box. These
components are to be added to the Series CRS
separator on site. See Figure 1.
WARNING: System fluid under pressure and/or at high temperatures can be very hazardous. Before servicing,
reduce system pressure to zero or isolate the vessel from the system. Allow system to cool below 100°F and
above 35°F. Failure to follow this instruction may result in serious personal injury and/or property damage.
B. INSTALLATION
It should be noted that the solubility of air into water decreases as pressure drops and/or as temperature rises. Placing
the Bell & Gossett Series CRS separator before the pump inlet will also help pump performance and increase seal life.
CAUTION: Installation and maintenance must be performed by a qualified professional. Service should not
be performed on any component in an active hydronic loop. Before attempting to make any required adjustments, properly isolate and drain the branch loops that require service and allow the valves to reach a safe
handling temperature and zero pressure condition. Use proper safety equipment including gloves, goggles,
or similar tools to avoid contact with system fluids and common hazards. Failure to follow these instructions
could result in personal injury and property damage.
Figure 2 shows suggested mounting locations for a heating or cooling system.
fig. 2 - Air Elimination
The separator must be installed vertically.
Do not install on a dead end pipe or in an overhead joist space.
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